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2005 Edna Mine Vegetation Sampling Report <br />• 3. West Ridge BRU: Topsoiled <br />The West Ridge BRU: Topsoiled encompasses approximately 22 acres. The pre- <br />disturbance vegetation communities were 83% snowberry/sage and 17% oak mountain <br />shrub. <br />Sample adequacy for herbaceous cover was obtained in this unit with 15 transects. The <br />reclaimed unit's mean herbaceous vegetation cover was 55.1%. This is significantly <br />higher than the mean for the reference area (24.1 %). Thus, the West Ridge BRU: <br />Topsoiled exceeds the liability release standard for herbaceous cover. <br />Sample adequacy for production was obtained in this unit with 15 transects. Mean <br />herbaceous production was 126.5 g/m2 or 1128.8 Ibs/ac. This is significantly higher than <br />the mean for the reference area of 80.2 g/m2. Thus, the West Ridge BRU: Topsoiled <br />exceeds the liability release standard for herbaceous production. See Tables 3-4 and 3- <br />5 for absolute and relative over data for this unit <br />As shown in Table 3-3, there were six plant species with a minimum of 3% and <br />maximum of 40% relative cover present in this unit. Because more than five species <br />were present in this unit, the combined relative importance requirement is automatically <br />satisfied. Thus, the West Ridge BRU: Topsoiled meets the liability release requirements <br />for diversity. <br />3.1. Supporting Documentation <br />Tables 3-1 through 3-6 summarize vegetation data and statistical tests for West Ridge <br />BRU: Topsoiled. Table 3-7 provides a list of the community plant species sampled at this <br />BRU. Figure 3-1 is a site photograph, and Figure 3-2 is the transect location map. <br />The following tables and figures verify that the West Ridge BRU: Topsoiled meets <br />liability release requirements. <br />• <br />Habitat Management, Inc. 15